linux-kernel - Re: [PATCH 1/6] KVM: x86/mmu: release audited pfns

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Message-ID: <YNSmiOsmJin4UPcG@google.com>
Date:   Thu, 24 Jun 2021 15:36:40 +0000
From:   Sean Christopherson <seanjc@...gle.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     Nicholas Piggin <npiggin@...il.com>,
        Aleksandar Markovic <aleksandar.qemu.devel@...il.com>,
        Huacai Chen <chenhuacai@...nel.org>,
        Marc Zyngier <maz@...nel.org>,
        Paul Mackerras <paulus@...abs.org>,
        David Stevens <stevensd@...omium.org>,
        Zhenyu Wang <zhenyuw@...ux.intel.com>,
        Zhi Wang <zhi.a.wang@...el.com>,
        Alexandru Elisei <alexandru.elisei@....com>,
        dri-devel@...ts.freedesktop.org, intel-gfx@...ts.freedesktop.org,
        intel-gvt-dev@...ts.freedesktop.org,
        James Morse <james.morse@....com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>, kvmarm@...ts.cs.columbia.edu,
        kvm-ppc@...r.kernel.org, kvm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mips@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Will Deacon <will@...nel.org>
Subject: Re: [PATCH 1/6] KVM: x86/mmu: release audited pfns

On Thu, Jun 24, 2021, Paolo Bonzini wrote:
> On 24/06/21 10:43, Nicholas Piggin wrote:
> > Excerpts from David Stevens's message of June 24, 2021 1:57 pm:
> > > From: David Stevens <stevensd@...omium.org>
> > 
> > Changelog? This looks like a bug, should it have a Fixes: tag?
> 
> Probably has been there forever... The best way to fix the bug would be to
> nuke mmu_audit.c, which I've threatened to do many times but never followed
> up on.

Yar.  It has only survived because it hasn't required any maintenance.